-Verb: To become fucked by a decision that created temporarily favorable elements, having later realized an unfavorable counterpart to the decision.

-Noun (i.e., to be in retrofuck): A state that results from a decision wherein temporarily favorable elements are created for its decider, and where the decider is later, however, totally fucked by the same decision.

Tom is retrofucked because he borrowed his mom's car to take Kelly to the drive-in - now he's grounded, and cockblocked.

He is in retrofuck because he cheated on his history exam, but was later ratted on and, as a result, failed.